package com.ots.framework.aspectj;
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import com.ots.common.utils.StringUtils;
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import com.ots.framework.aspectj.lang.annotation.DataSource;
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import com.ots.framework.datasource.DynamicDataSourceContextHolder;
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import org.aspectj.lang.ProceedingJoinPoint;
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import org.aspectj.lang.annotation.Around;
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import org.aspectj.lang.annotation.Aspect;
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import org.aspectj.lang.annotation.Pointcut;
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import org.aspectj.lang.reflect.MethodSignature;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.core.annotation.Order;
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import org.springframework.stereotype.Component;
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import java.lang.reflect.Method;
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@Aspect
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@Order(1)
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@Component
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public class DataSourceAspect {
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protected Logger logger = LoggerFactory.getLogger(getClass());
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@Pointcut("@annotation(com.ots.framework.aspectj.lang.annotation.DataSource)"
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+ "|| @within(com.ots.framework.aspectj.lang.annotation.DataSource)")
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public void dsPointCut() {
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}
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@Around("dsPointCut()")
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public Object around(ProceedingJoinPoint point) throws Throwable {
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DataSource dataSource = getDataSource(point);
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if (StringUtils.isNotNull(dataSource)) {
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DynamicDataSourceContextHolder.setDataSourceType(dataSource.value().name());
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}
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try {
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return point.proceed();
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} finally {
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DynamicDataSourceContextHolder.clearDataSourceType();
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}
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}
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public DataSource getDataSource(ProceedingJoinPoint point) {
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MethodSignature signature = (MethodSignature) point.getSignature();
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Class<? extends Object> targetClass = point.getTarget().getClass();
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DataSource targetDataSource = targetClass.getAnnotation(DataSource.class);
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if (StringUtils.isNotNull(targetDataSource)) {
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return targetDataSource;
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} else {
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Method method = signature.getMethod();
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DataSource dataSource = method.getAnnotation(DataSource.class);
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return dataSource;
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}
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}
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}
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